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《鄂爾多斯盆地高橋構造平緩地區(qū)奧陶系碳酸鹽巖巖溶古地貌特征與儲層分布-論文.pdf》由會員上傳分享，免費在線閱讀，更多相關內容在應用文檔-天天文庫。
1、1000-0569／2014／030(03)-0757-67ActaPetrologicaSinica巖石學報鄂爾多斯盆地高橋構造平緩地區(qū)奧陶系碳酸鹽巖巖溶古地貌特征與儲層分布張銀德周文鄧昆王彩麗王勇。蒙曉靈ZHANGYinDe，ZHOUWen，DENGKun，WANGCaiLi，WANGYong3andMENGXia0Ling1．油氣藏地質及開發(fā)工程國家重點實驗室成都理工大學，成都6100592．長慶油田分公司勘探開發(fā)研究院，西安7100183．哈爾濱石油學院石油工程系，哈爾濱1500271．StateKeyLaboratoryofOilandGasReservoirGeolo
2、gyandExploitation，CDUT，Chengdu610059，China2．Exploration＆DevelopmentResearchInstitute，ChangqingOilfieldCompany，藏’an710018，China3．DepartmentofPetroleumEngineering，HarbinInstituteofPetroleum，Harbin150027，China2Ol3．1O-08收稿．2014-02—10改回．ZhangYD，ZhouW。DengK，WangCL，WangYandMengXL．2014．Palaeogeomorph
3、ologyandreservoirdistributionoftheOrdoviciankarstifiedcarbonaterocksinthestructurally-gentleGaoqiaoarea，OrdosBasin．ActaPetrologicaSihica，30(3)：757-767AbstractGaoqiaoareaofOrdosBasinpresentsgentlestructures．ThetopOrdoviciankarstifiedcarbonaterocksarecharacterizedbythedevelopmentofburiedplatfor
4、mandlimitedoccurrenceofkarsthighlandandkarstslope．Reservoirsareconcentratedonthekarstslopeandintheeasterntrenchoftheburiedplatform．Inthethesislargenumberofdatafromcore—sectiondescriptionandthin-sectionexamination，physicalpropertyexperimentation，weldrillingandlogging，andseismicexplorationhaveb
5、eenemployedtoidentifyandanalyzethepaleokarstatthetopofM~iagouFormation，Gaoqiaoarea，toreconstructthepaleokarstlandform．Typesofthepaleokarstlandformweresubdividedandtheirrelationshiptothereservoirswereanalyzed．TheexistenceofhiatusandkarstificationatthetopofMajiagouFormationhasbeenprovedbythestr
6、atigraphic，petrologic，mineralogicmarkersandevidenceofpaleokarst．Thetrenchesweredelineatedbytheoutcropedhorizonsofpaleo—weatheringcrustandresultsofseismicresearches．Thepaleo—karstgeomorphologicalmapwascompiledonthebasisofpaleo—geologicalmap，impressionsandresidual—thicknessinthestudiedarea．Thep
7、aleo·karstcanbesubdividedinto3second．orderlandformunits：karsthighland，karstslopeandburiedplatform．Thekarsthighlandcanbefurtherdividedinto2third—ordermicrotopography：karstplatformandkarstdepression．Theburiedplatformwascategrizedas4third-orderm
